Q: Is 438,406 a Prime Number?
A: No, 438,406 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 438406 can be evenly divided by 1 2 19 38 83 139 166 278 1,577 2,641 3,154 5,282 11,537 23,074 219,203 and 438,406, with no remainder.
Since 438,406 cannot be divided by just 1 and 438,406, it is not a prime number.